<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title></title>
</head>
<script src="./../js/1.js"></script>
<script>
    // window.onload = function() {

    //     let btnl = document.getElementById("btnl");
    //     btnl.addEventListener('click', function() {
    //         alert("宋超是傻逼");

    //     });
    // };
</script>

<body>
    <p>
        <input type="button" id="btnl" value="测试按钮">
    </p>

</body>

</html>